Correct answer - "AWS STS decode-authorization-message" : Use decode-authorization-message to
decode additional information about the authorization status of a request from an encoded
message returned in response to an AWS request. If a user is not authorized to perform an action
that was requested, the request returns a Client.UnauthorizedOperation response (an HTTP 403
response).
"AWS IAM decode-authorization-message" - The IAM service does not have this command
"Use KMS decode-authorization-message" - The KMS service does not have this command
"AWS Cognito Decoder" - The Cognito service does not have this command